+#else /* FEATURE_ARB_sync */
+
+#include "main/compiler.h"
+
+static INLINE void
+_mesa_init_sync_object_functions(struct dd_function_table *driver)
+{
+}
+
+static INLINE void
+_mesa_init_sync_dispatch(struct _glapi_table *disp)
+{
+}
+
+static INLINE void
+_mesa_init_sync(struct gl_context *ctx)
+{
+}
+
+static INLINE void
+_mesa_free_sync_data(struct gl_context *ctx)
+{
+}
+
+static INLINE void
+_mesa_ref_sync_object(struct gl_context *ctx, struct gl_sync_object *syncObj)
+{
+ ASSERT_NO_FEATURE();
+}
+
+static INLINE void
+_mesa_unref_sync_object(struct gl_context *ctx, struct gl_sync_object *syncObj)
+{
+ ASSERT_NO_FEATURE();
+}
+
+#endif /* FEATURE_ARB_sync */
+